Suppose fx=x+12 for x≥-1.  If g(x) is the function whose graph is the reflection of the graph of f(x) withrespect to the line y = x, then g(x) equals

Given  that   fx=x+12,x≥-1.Now, if g(x) is the reflection of f(x) in the line y = x, theng(x) is an inverse function of y = f(x).Given  y=x+12    x≥-1   and  y≥0or         x=±y-1or         gx=f-1x=x-1, x≥0